Here are some of the world’s most powerful women. From Rihanna to Kamla Harris, each of these women are changing the world for the better in 2021. For decades, women have played a defining role in shaping the history of humankind. Not only have they contributed to science, politics and arts, but also triggered social changes by championing human rights and causes of equality. Thanks to their pioneering efforts, the 20th century witnessed the...